TRH127-020-A 12.7 mm Dia. N-SF5/N-K5 Unmounted Hastings Achromatic Triplet; EFL=20mm 400-700nm

The TRH127-020-A is a high-quality Hastings Achromatic Triplet lens, unmounted and sourced from the renowned optical component manufacturer, Thorlabs. This lens is designed for use within the 400-700nm wavelength range, making it suitable for a wide array of applications within the visible light spectrum.

The lens features a 12.7mm diameter and a center thickness of 2mm, 8mm, and 2mm for each of its three components, respectively. The edge thickness measures at 9.3mm. The lens curvature is defined by the inner radius (0mm), outer radius (0mm), and the radii of its three components (r1: 14.9mm, r2: 8.3mm, r3: -8.3mm, r4: -14.9mm).

The TRH127-020-A is made from N-SF5 and N-K5 Schott glass, ensuring high transmission and low dispersion. It comes with front and back coatings of THo TRH127-020-A, further enhancing its performance by reducing surface reflections.

This lens is a multiplet, meaning it is composed of multiple elements to achieve superior optical performance. Its geometry, material composition, and coatings make it an excellent choice for various applications requiring a high-performance lens within the visible light spectrum.